Re: [PATCH v4] cxl: Fix possible null pointer dereference in read_handle()
From: Markus Elfring
Date: Mon Jul 15 2024 - 09:19:46 EST
> In read_handle(), of_get_address() may return NULL if getting address and
> size of the node failed. When of_read_number() uses prop to handle
> conversions between different byte orders, it could lead to a null pointer
> dereference. Add NULL check to fix potential issue.
>
> Found by static analysis.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 14baf4d9c739 ("cxl: Add guest-specific code")
> Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
How will interests evolve for caring more according to known research
and development processes?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.10#n398
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/researcher-guidelines.rst?h=v6.10#n5
> ---
> Changes in v4:
> - modified vulnerability description according to suggestions, making the
> process of static analysis of vulnerabilities clearer. No active research
> on developer behavior.
…
Does such information indicate any communication difficulties?
Regards,
Markus